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US3784704A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions of 4-biphenyl acetic acid and method of use

Assignee: Wyeth Holdings LLC
•
Filing: 1972-10-13
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Granted: 1974-01-08
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Expires: 1992-10-13
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Abstract

Abstract THE COMPOUND 4-BIPHENYLACETIC ACID, ITS USE AND METHOD OF PREPARATION IS DESCRIBED. IT IS USEFUL FOR THE LONG LASTING AMELIORATION OF PAIN IN WARM-BLOODED ANIMALS.

Inventors

  • 👤 E Cohen
  • 👤 A Sloboda
  • 👤 A Osterberg
  • 👤 R Child

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 13:32
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; C; C07; C07C; C07C57/00; C07C57/30; C07C57/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-01-07 1977-07-09 1978-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-01-07 1981-07-09 1982-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-01-07 1985-07-09 1986-01-08 $7700.00 Window Closed / Lapsed

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